Anamorphic optical transformation of an amplitude spatial light modulator to a complex spatial light modulator with square pixels [Invited]

被引：39

作者：

Kim, Hwi ^{[1
,2
]}

Hwang, Chi-Young ^{[3
]}

Kim, Kwang-Soo ^{[4
]}

Roh, Jinyoung ^{[1
,2
]}

Moon, Woonchan ^{[4
]}

Kim, Sungmin ^{[4
]}

Lee, Beom-Ryoel ^{[3
]}

Oh, Seungtaik ^{[3
]}

Hahn, Joonku ^{[4
]}

机构：

[1] Korea Univ, ICT Convergence Technol Hlth & Safety, Sejong 339700, South Korea

[2] Korea Univ, Dept Elect & Informat Engn, Sejong 339700, South Korea

[3] Elect & Telecommun Res Inst, Content Res Div, Taejon 305700, South Korea

[4] Kyungpook Natl Univ, Sch Elect Engn, Taegu 702701, South Korea

来源：

APPLIED OPTICS | 2014年 / 53卷 / 27期

关键词：

COMPUTER-GENERATED HOLOGRAMS; SYSTEM;

D O I：

10.1364/AO.53.00G139

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A method is proposed for the construction of a square pixel complex spatial light modulator (SLM) from a commercial oblong full-high-definition (full-HD) amplitude SLM using an anamorphic optical filter. In the proposed scheme, one half-band of the optical Fourier transform of the amplitude-only spatial light field is rejected in the optical Fourier plane and the other half-band is reformatted to be an effective complex SLM with square pixels. This has an advantage in the viewing window plane since the shape of the viewing window becomes square and more ideal for observers who watch the hologram contents through it. For optimal transformation, the amplitude computer generated hologram encoding scheme was developed. Mathematical modeling of the proposed system is described herein, and it was experimentally demonstrated that the effective complex SLM displays complex holographic three-dimensional images with a clear depth discrimination effect. (C) 2014 Optical Society of America

引用

页码：G139 / G146

页数：8

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